1
Branko Breyer, Ivo Cikes: Ultrasonically marked cardiac catheters. Telectronics, Gottlieb Rackman & Reisman, October 6, 1987: US04697595 (247 worldwide citation)

The hollow cylindrical wall of the catheter is composed of flexible, electrically insulating, ultrasonically transparent material. Embedded therein are spaced tubular-shaped ultrasonic piezoelectric transducers which substantially surround the lumen. The transducers receive signals from the imaging ...


2
Bozidar Ferek Petric, Branko Breyer, Ivo Cikes: Ultrasonic marked cardiac ablation catheter. Sulzer Osypka, Lahive & Cockfield, November 24, 1998: US05840030 (175 worldwide citation)

A method and system for therapy of cardiac arrythmias is provided which uses a directional electric field applied via ablation electrode for cardiac ablation together with an ultrasonic imaging system including an ultrasonic marking transducer mounted fixedly in the vicinity of the ablation electrod ...


3
Branko Breyer, Ivo Cikes, Bozidar Ferek Petric: Cardiac ultrasonically marked leads and method for used same. Telectronics, Gottlieb Rackman & Reisman, November 17, 1987: US04706681 (140 worldwide citation)

Cardiac ultrasonically marked leads produced by mounting one or more piezoelectric marker transducers into the leads and connecting the transducers by electrical conductors to appropriate electronic circuits which, upon reception of the scanner ultrasonic signals by the marker transducers, generate ...